// Copyright 2008 The Closure Library Authors. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS-IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. /** * @fileoverview Testing utilities for DOM related tests. * * @author robbyw@google.com (Robby Walker) */ goog.setTestOnly('goog.testing.graphics'); goog.provide('goog.testing.graphics'); goog.require('goog.graphics.Path'); goog.require('goog.testing.asserts'); /** * Array mapping numeric segment constant to a descriptive character. * @type {Array} * @private */ goog.testing.graphics.SEGMENT_NAMES_ = function() { var arr = []; arr[goog.graphics.Path.Segment.MOVETO] = 'M'; arr[goog.graphics.Path.Segment.LINETO] = 'L'; arr[goog.graphics.Path.Segment.CURVETO] = 'C'; arr[goog.graphics.Path.Segment.ARCTO] = 'A'; arr[goog.graphics.Path.Segment.CLOSE] = 'X'; return arr; }(); /** * Test if the given path matches the expected array of commands and parameters. * @param {Array} expected The expected array of commands and * parameters. * @param {goog.graphics.Path} path The path to test against. */ goog.testing.graphics.assertPathEquals = function(expected, path) { var actual = []; path.forEachSegment(function(seg, args) { actual.push(goog.testing.graphics.SEGMENT_NAMES_[seg]); Array.prototype.push.apply(actual, args); }); assertEquals(expected.length, actual.length); for (var i = 0; i < expected.length; i++) { if (goog.isNumber(expected[i])) { assertTrue(goog.isNumber(actual[i])); assertRoughlyEquals(expected[i], actual[i], 0.01); } else { assertEquals(expected[i], actual[i]); } } };